2 /log(x - 5) log(x + 5)\ (x - 7) *(|x - 6| + |x + 6|)*|---------- - ----------| \ log(6) log(6) / ------------------------------------------------------ <= 0 _______ _______ \/ x - 4 - \/ x + 4
(((x - 7)^2*(|x - 6| + |x + 6|))*(log(x - 5)/log(6) - log(x + 5)/log(6)))/(sqrt(x - 4) - sqrt(x + 4)) <= 0